完形填空（共15小题；每小题1.5分，满分15分）
I have a happy family. There        four people in my family. They are my father, my mother, my sister and     . My father is a        , and he works in a factory(工厂). He thinks it’s a boring（令人厌倦的） job. He wants        a policeman. My mother is a teacher. She works      a school. She thinks           job is very interesting. She works hard and often comes back home late. In her        time, she likes reading books. My sister is       . She is about one year old. I am a student. I      in a school. I like singing. I want to be a         when I grow up.

A．be B．is C．am D．are

A．I B．my C．mine D．you

A．teacher B．doctor C．worker D．driver

A．be B．is C．being D．to be

A．in B．on C．to D．of

A．she B．he C．her D．his

A．busy B．free C．happy D．working

A．old B．young C．tall D．big

A．study B．teach C．play D．work

A．singer B．swimmer C．nurse D．doctor